package handlers

import (
	"encoding/json"
	"github.com/gin-gonic/gin"
	"platform-creator/cache"
	"platform-creator/modlers"
	"platform-creator/pkg"
	"strconv"
	"time"
)

func Login(c *gin.Context) {
	username := c.PostForm("username")
	password := c.PostForm("password")

	if username == "" || password == "" {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "用户名和密码不为空",
		})
		return
	}
	redis_key := "login_error_" + username
	errCount, _ := cache.Rdb.Get(cache.Ctx, redis_key).Int()
	if errCount >= 3 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误三次,禁止登录",
		})
		return
	}
	var user modlers.User
	err := modlers.DB.Where("username =?", username).Debug().First(&user).Error
	if err != nil {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "查询用户失败",
		})
		return
	}
	if user.ID == 0 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "用户不存在",
		})
		return
	}
	if user.Password != pkg.Md5str(password) {
		cache.Rdb.Incr(cache.Ctx, redis_key)
		if errCount == 2 {
			cache.Rdb.Set(cache.Ctx, redis_key, 3, time.Hour*2)

			c.JSON(200, gin.H{
				"code": 500,
				"msg":  "密码错误三次,封禁2小时",
			})
			return
		}
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误",
		})
		return
	}

	c.JSON(200, gin.H{
		"code": 500,
		"msg":  "登录成功",
		"data": user,
	})
	return
}

func List(c *gin.Context) {
	page, _ := strconv.Atoi(c.Query("page"))
	size, _ := strconv.Atoi(c.Query("size"))
	offset := (page - 1) * size

	var user []modlers.Article

	redis_key := "user_page_" + strconv.Itoa(page)
	cacheData, _ := cache.Rdb.Get(cache.Ctx, redis_key).Result()
	if cacheData == "" {
		modlers.DB.Debug().Offset(offset).Limit(size).Find(&user)
		jsonData, _ := json.Marshal(user)
		cache.Rdb.Set(cache.Ctx, redis_key, jsonData, time.Hour*2)
	} else {
		json.Unmarshal([]byte(cacheData), &user)
	}

	var total int64
	modlers.DB.Model(&modlers.Article{}).Count(&total)
	c.JSON(200, gin.H{
		"code":  200,
		"mag":   "ok",
		"count": total,
		"data":  user,
	})
	return
}

func Detail(c *gin.Context) {

	id := c.Query("id")
	var user modlers.Article

	redis_key := "list_id" + id
	cacheData, _ := cache.Rdb.Get(cache.Ctx, redis_key).Result()
	if cacheData == "" {
		modlers.DB.Debug().Where("id=?", id).First(&user)
		jsonData, _ := json.Marshal(user)
		cache.Rdb.Set(cache.Ctx, redis_key, jsonData, time.Hour*2)
	} else {
		json.Unmarshal([]byte(cacheData), &user)
	}

	c.JSON(200, gin.H{
		"code": 200,
		"mag":  "ok",
		"data": user,
	})
	return

}
